Polaris ATV Forum banner


  1. 2009 Sportsman 400 HO air box ???

    Polaris Sportsman
    i bought a non running sportsman 400 HO. The guy i purchased it from tried making repairs but just made a mess of it. I cleaned the carb, new plug, new engine harness and new cdi. The quad will start and idle but will not take any throttle without cutting out. It is missing the air box as he...
  2. 2005 Sportsman 500 HO Sputtering at 3500 rpm?

    ATV Repair and Maintenance
    I have a 2005 Sportsman 500 HO that has begun sputtering at around 3500 rpm only. It sputters like a rev limiter at 3500 Accelerating or decellerating. I have a spare parts bike and have swapped both modules rebuilt the carb, changed the plug and run 10 gallons of fresh gas through it. Any ideas...
  3. 2004 Sportsman 400 Missing, Sputtering

    Polaris Sportsman
    I have a 2004 Sportsman 400 that acts like it's possessed. I bought it new from a dealer. It has 800 miles on it, sat for two years with gas treatment in it. I took it out this year and have had stalling, missing, power loss, etc. So I did the following removed tank, blew out screen with...
  4. HELP!!! What is this??? 2000 Sportsman

    ATV Repair and Maintenance
    I have something on the center pod behind the headlight, opposite side of the key that is broken off.... My ATV idles fine when it is warm weather, but anything under 60 degrees causes it to cut off as soon as I let off of the throttle... I THINK that this may be the choke?? Anyone know...